gistfile1.java

  // Spin up a new Ruby VM, start Ruby-Processing in it.
  private void spinUp(String command, String path) {
    final RubyInstanceConfig config = new RubyInstanceConfig() {{
      setLoader(this.getClass().getClassLoader());
    }};
    if (_ruby != null) _ruby.tearDown();
    _ruby = Ruby.newInstance(config);
    _ruby.evalScriptlet("RP5_EMBEDDED = true; ARGV[0] = '" + path + "'; require 'ruby-processing/lib/ruby-processing/runners/" + command + ".rb'");
  }
  
  // Spin down the current running Ruby VM.
  private void spinDown() {
    _ruby.evalScriptlet("$app.close");
    // TODO: Seems to leak memory ... System.gc() doesn't help...
    _ruby.tearDown();
    _ruby = null;
  }